Dec 11 (Reuters) - AC Milan aim to extend their unbeaten Serie A run and maintain top spot when they host Sassuolo this weekend while Napoli and Inter Milan face away trips after suffering midweek Champions League losses.

Massimiliano Allegri's Milan lost to Cremonese on the opening day, but have since gone unbeaten in the league, racking up nine wins in 13 games on their way to the summit.